/*
 * Copyright (c) 2020 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package at.grabner.circleprogress.curvetypes;

import ohos.agp.animation.Animator;

public class DecelerateCurveType extends Animator.CurveType implements TimeCurveType {
    private float mFactor = 1.0f;

    private final double mDoubleFactor;


    public DecelerateCurveType(float factor) {
        mFactor = factor;
        mDoubleFactor = 2 * mFactor;
    }

    public float getCurveType(float input) {
        float result;
        if (mFactor == 1.0f) {
            result = (float) (1.0f - (1.0f - input) * (1.0f - input));
        } else {
            result = (float) (1.0f - Math.pow((1.0f - input), 2 * mFactor));
        }
        return result;
    }
}
